Loudspeaker



FIG. 1 is a front perspective view of a loudspeaker, showing our new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear-elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a top plan view thereof, shown in enlarged scale; and,

FIG. 7 is a right side elevation view thereof.

The broken lines in the figures illustrate the portions of the design that form no part of the claimed design. 

CLAIM The ornamental design for a loudspeaker, as shown and described. 